Radiology & Imaging

Look what's inside: Full-body movies from EXPLORER scanner

Positron Emission Tomography, or PET scanning, a technique for tracing metabolic processes in the body, has been widely applied in clinical diagnosis and research spanning physiology, biochemistry and pharmacology. Now researchers ...

Health

No smoking four weeks before operation cuts risks: WHO

Patients who stop smoking at least four weeks before an operation significantly reduce the risk of having postsurgical complications because their blood flow improves, according to a study published Monday.